1663466044 has 12 divisors (see below), whose sum is σ = 2920368304. Its totient is φ = 829075104.

The previous prime is 1663466041. The next prime is 1663466069. The reversal of 1663466044 is 4406643661.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1663465988 and 1663466006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1663466041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663072 + ... + 665575.

Almost surely, 2^1663466044 is an apocalyptic number.

It is an amenable number.

1663466044 is a deficient number, since it is larger than the sum of its proper divisors (1256902260).

1663466044 is a wasteful number, since it uses less digits than its factorization.

1663466044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328964 (or 1328962 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 40.

The square root of 1663466044 is about 40785.6107469289. The cubic root of 1663466044 is about 1184.8716635986.

The spelling of 1663466044 in words is "one billion, six hundred sixty-three million, four hundred sixty-six thousand, forty-four".